<template>
	<view>
		<view class="search-box">
		  <my-search @click="gotoSearch"></my-search>
		</view>
		<!-- 轮播图的片段 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in swiperList" :key = 'i'>
				<navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
					<image :src="item.image_src"></image>
				</navigator>
			</swiper-item>
		</swiper>
		<!-- 导航区 -->
		<view class="nav-list">
		   <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
		     <image :src="item.image_src" class="nav-img"></image>
		   </view>
		</view>
		<!-- 楼层区域 -->
		<view class="floor-list">
		  <!-- 楼层 item 项 -->
		  <view class="floor-item" v-for="(item, i) in floorList" :key="i">
		    <!-- 楼层标题 -->
		    <image :src="item.floor_title.image_src" class="floor-title"></image>
			<!-- 楼层图片区域 -->
			<view class="floor-img-box">
			  <!-- 左侧大图片的盒子 -->
			  <navigator class="left-img-box" :url="item.product_list[0].url">
			    <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
			  </navigator>
			  <!-- 右侧 4 个小图片的盒子 -->
			  <view class="right-img-box">
			    <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
			      <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
			    </navigator>
			  </view>
			</view>
		  </view>
		</view>
	</view>
</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	export default {
		 mixins: [badgeMix],
		data() {
			return {
				swiperList: [],
				navList: [],
				floorList: [],
			};
		},
		onLoad() {
		    // 2. 在小程序页面刚加载的时候，调用获取轮播图数据的方法
			this.getSwiperList(),
			this.getNavList(),
			this.getFloorList()
		},
		methods:{
			// 轮播图请求数据
			async getSwiperList(){
				const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
				// console.log(res)
				// 请求失败
				if (res.meta.status !== 200) return uni.$showMsg()
				// 请求成功将数据给swiperList
				this.swiperList = res.message
			},
			// 分类导航区域
			async getNavList(){
				const { data:res } = await uni.$http.get('/api/public/v1/home/catitems')
				// console.log(res)
				this.navList = res.message
			},
			navClickHandler(item){
				if(item.name === '分类'){
					uni.switchTab({
						url:'/pages/cate/cate'
					})
				}
			},
			// 楼层区域
			async getFloorList(){
				const { data:res } = await uni.$http.get('/api/public/v1/home/floordata')
				if (res.meta.status !== 200) return uni.$showMsg()
				// 对数据进行处理
				res.message.forEach(floor => {
					floor.product_list.forEach(prob => {
						// 自定义数据url
						prob.url = '/subpkg/goods_list/goods_list?' + prob.navigator_url.split('?')[1]
					})
				})
				console.log(res.message)
				this.floorList = res.message
			},
			gotoSearch() {
			  uni.navigateTo({
			    url: '/subpkg/search/search'
			  })
			}
		}
	}	
</script>

<style lang="scss">
	swiper {
	 height: 330rpx;
	
	 .swiper-item,
	 image {
	   width: 100%;
	   height: 100%;
	 }
	}
	.nav-list {
	  display: flex;
	  justify-content: space-around;
	  margin: 15px 0;
	
	  .nav-img {
	    width: 128rpx;
	    height: 140rpx;
	  }
	}
	.floor-title {
	  height: 60rpx;
	  width: 100%;
	  display: flex;
	}
	.right-img-box {
	  display: flex;
	  flex-wrap: wrap;
	  justify-content: space-around;
	}
	
	.floor-img-box {
	  display: flex;
	  padding-left: 10rpx;
	}
	
	.search-box {
	  // 设置定位效果为“吸顶”
	  position: sticky;
	  // 吸顶的“位置”
	  top: 0;
	  // 提高层级，防止被轮播图覆盖
	  z-index: 999;
	}
</style>
